Home / 35,087.48-48,420.74-18,954.80

Finding the Fourth Proportional to 35,087.48, 48,420.74 and 18,954.80

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Solution

The fourth proportional to 35,087.48, 48,420.74 and 18,954.80 is: 26,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,087.48 : 48,420.74 = 18,954.80 : x
  2. Step 2: Convert to fraction form
    35,087.48/48,420.74 = 18,954.80/x
  3. Step 3: Cross multiply
    35,087.48x = 48,420.74 × 18,954.80
  4. Step 4: Simplify right side
    35,087.48x = 917,805,105.67
  5. Step 5: Solve for x
    x = 917,805,105.67/35,087.48
  6. Step 6: Final answer
    x = 26,157.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.